Home / 26,163.12-39,239.14-8,628.84

Finding the Fourth Proportional to 26,163.12, 39,239.14 and 8,628.84

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Solution

The fourth proportional to 26,163.12, 39,239.14 and 8,628.84 is: 12,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163.12 : 39,239.14 = 8,628.84 : x
  2. Step 2: Convert to fraction form
    26,163.12/39,239.14 = 8,628.84/x
  3. Step 3: Cross multiply
    26,163.12x = 39,239.14 × 8,628.84
  4. Step 4: Simplify right side
    26,163.12x = 338,588,260.80
  5. Step 5: Solve for x
    x = 338,588,260.80/26,163.12
  6. Step 6: Final answer
    x = 12,941.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.